Lenovo 1 MB BIOS dumps

112 BIOS files for Lenovo boards with a 1 MB flash chip.

Boards and models

10303-3Lenovo ThinkPad X1 13.34 files · BIOS
11246-1Lenovo ThinkPad X1 Carbon4 files · BIOS, Boardview
11248-4Lenovo ThinkPad L4302 files · BIOS, Schematic
11263-1Lenovo ThinkPad T430S6 files · BIOS, Schematic
11270-2Lenovo ThinkPad L5302 files · BIOS, Boardview
11270-4Lenovo ThinkPad L5304 files · BIOS, Boardview
11310-1Lenovo E49A2 files · BIOS
12289-2Lenovo ThinkPad L4405 files · BIOS
12298-2Lenovo ThinkPad X1 Carbon21 files · BIOS, Schematic, Boardview, EC
13101-1Lenovo PIH81F-B50303 files · BIOS, Schematic, EC
13323-2Lenovo Yoga 144 files · BIOS, EC
14283-2Lenovo Yoga 4602 files · BIOS
15218-5Lenovo ThinkPad X12 files · BIOS
16556-1Lenovo M18KT23A3 files · BIOS, Schematic
16820-1Lenovo ThinkPad T5709 files · BIOS, Schematic, Boardview
17821-2Lenovo ThinkPad L3806 files · BIOS
17870-1Lenovo ThinkPad X1 Extreme7 files · BIOS, Schematic
18724-1Lenovo ThinkPad L39010 files · BIOS, Schematic
18729-1Lenovo ThinkPad X3904 files · BIOS, Schematic
213062-12 files · BIOS
48.4RQ01.011Lenovo ThinkPad X12 files · BIOS
DAFL5CMB6C0Lenovo IdeaPad S10-34 files · BIOS, Schematic, Boardview
DAOQUDMB6DOLenovo C3253 files · BIOS, Schematic, Boardview
DAQL5AMB8C0Lenovo LGR583 files · BIOS, Schematic, Boardview
H0225-1Lenovo ThinkPad X220I3 files · BIOS, Boardview
H0225-3Lenovo ThinkPad X220I3 files · BIOS, Schematic
LA-3571PLenovo F41A6 files · BIOS, Schematic
LA-E552PLenovo Yoga 720-15IKB2 files · BIOS, EC
LA-K052PLenovo ThinkBook 15 G27 files · BIOS, EC
LA-L171P5 files · BIOS, Schematic, EC
NM-A931Lenovo ThinkPad T47017 files · BIOS, Schematic, EC
NM-B191Lenovo Legion Y520-15IKBN15 files · BIOS, Schematic, Boardview, EC
NM-B471Lenovo ThinkPad T480S7 files · BIOS, Schematic
NM-B481Lenovo ThinkPad X1 Carbon10 files · BIOS, Schematic, EC
NM-B501Lenovo ThinkPad T48010 files · BIOS, Schematic, Boardview, EC
NM-B931Lenovo ThinkPad L49011 files · BIOS, Schematic, Boardview, EC
NM-C181Lenovo ThinkPad X3955 files · BIOS, Schematic, Boardview, EC
NM-C261Lenovo ThinkPad P533 files · BIOS, Schematic, Boardview
NM-C791Lenovo ThinkPad X137 files · BIOS, Schematic, Boardview, EC
NM-C881Lenovo ThinkPad X1 Carbon7 files · BIOS, Schematic, EC
NM-D362Lenovo ThinkPad T14S Gen 26 files · BIOS, Schematic, Boardview
NM-E021Lenovo ThinkBook 15P Gen 25 files · BIOS, Schematic, Boardview
NM-E211Lenovo ThinkPad E145 files · BIOS, Schematic, Boardview
A78M4 files · BIOS, EC
AM4P2MS4 files · BIOS
C225DAOQUDMB6DO, DA0QUDMB6E05 files · BIOS, Schematic, Boardview
CIG41S2 files · BIOS, Schematic, EC
CIH61S3 files · BIOS
CIH61S14 files · BIOS, Schematic, EC
E49A11310-4, 11310-13 files · BIOS, Schematic
G31T-LN2 files · BIOS
I4X0MS2 files · BIOS, Schematic
IS6XM7 files · BIOS, Schematic, EC
IS8XM4 files · BIOS
M92P2 files · BIOS
N200LA-3451P2 files · BIOS
ThinkCentre M732 files · BIOS
ThinkPad E52010292-1, 10292-33 files · BIOS, Boardview
ThinkPad L1318834-1, 19837-18 files · BIOS, Schematic, Boardview, EC
ThinkPad L43011248-4, 11248-35 files · BIOS, Schematic, Boardview
ThinkPad L54012290-1, 12290-25 files · BIOS, Boardview
ThinkPad X112298-2, 17800-138 files · BIOS, Schematic, Boardview, EC
ThinkPad X1 Carbon12298-2, NM-B48134 files · BIOS, Schematic, Boardview, EC
ThinkPad X13NM-C791, NM-D44117 files · BIOS, Schematic, Boardview, EC
ThinkPad X200T07251-24 files · BIOS, Schematic
Yoga 46014283-2, 14283-13 files · BIOS

Lenovo 1 MB BIOS files

FileSizeRevAddedSource

LENOVO THINLPAD P1 LPM-1 MB 17870-1 448.0DY05.0011 32MB

BIOS1 MB, 32 MBTestedClean MEVIP

17870-1

—

2026-08-10

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LENOVO ThinkPad X13 YOGA GEN2 LLX 1 MB 203015 1 448 0MC05 0011 32MB

BIOS1 MB, 32 MBVIP

203015-1 · ThinkPad X13

—

2026-07-07

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Lenovo A78M V1 BIOS & EC 1MB

BIOSEC1 MB

A78M

2.7 MB

—

2026-07-05

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[BIOS ARCHIVE] LOS-1 MB 12289-2 8MB BIOS

BIOS1 MB, 8 MB

12289-2

7.5 MB

—

2026-01-05

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THINKPAD X13 Gen2-TYPE C-NM-D362 1MB

BIOS1 MB

NM-D362 · ThinkPad X13, ThinkPad GEN2-TYPE

119 KB

—

2025-12-01

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LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 16MB & 1MB

BIOS1 MB, 16 MB

NM-A931 · ThinkPad T470

8.8 MB

2.0

2025-10-30

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LENOVO Laptop ThinkPad P1 Type 20MD, 20ME LPM 1 MB 17870 1 n2euj21w

BIOS1 MB

17870-1 · ThinkPad P1

16.0 MB

—

2025-10-29

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LENOVO I4X0MS P VER 1.0 32MB & 169MB &1MB

BIOS1 MB, 32 MBVIP

I4X0MS

23.4 MB

1.0

2025-09-24

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LENOVO C320 AIO CIH61S V1 0 8MB & 1MB &U10 & U11

BIOS1 MB, 8 MB

C320 AIO

2.4 MB

—

2025-09-14

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LENOVO CIH61S1 VER.1.0 8MB & 1MB OK

BIOS1 MB, 8 MB

CIH61S1

4.4 MB

1.0

2025-09-14

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FLV35 LA K052P REV 1 0 2020 09 24 16MB&8MB&1MB&24256E

BIOS1 MB, 8 MB, 16 MB

LA-K052P

10.0 MB

1.0

2025-09-04

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THINKPAD T570 LTS-1 MB 16820-1 488.0AB07.0011

BIOS1 MBVIP

16820-1 · ThinkPad T570

5.9 MB

—

2025-08-19

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LENOVO V310Z MB 16556-1 8MB & 1MB BIOS

BIOS1 MB, 8 MBVIP

16556-1 · V310Z

5.3 MB

—

2025-08-12

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LENOVO T470 CT470 NM A931 REV 2 0 2016 10 2816MB & 1MB & MEC BIOS

BIOSEC1 MB

NM-A931 · ThinkPad T470

14.8 MB

2.0

2025-07-17

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CT470 NM-A931 REV 2.0 2018-10-20 16MB & 1MB BIOS

BIOS1 MB, 16 MB

NM-A931

8.7 MB

2.0

2025-07-17

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FA391 FA491 NM C181 REV 1 0 2019 03 21 16MB &1MB & KBEC UNLOCK IO

BIOSEC1 MB, 16 MB

NM-C181

16.3 MB

1.0

2025-07-10

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ET480 NM B501 REV 1 0 2018 03 05 TYPE 20L6 i5 8350U 1MB & 16MB &

BIOS1 MB, 16 MBVIP

NM-B501

25.4 MB

1.0

2025-06-07

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LENOVO GOG20 LA-L171P REV 1A 2021-04-19 16MB &1MB BIOS

BIOS1 MB, 16 MB

LA-L171P

6.0 MB

2025-05-14

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LENOVO ThinkPad X13 GEN1 NM C791 REV 2 0 16MB & 1MB & 1MB BIOS

BIOS1 MB, 16 MBVIP

NM-C791 · ThinkPad X13

13.2 MB

2.0

2025-04-23

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LENOVO ThinkPad x13 GEN1 GT4A5 GX3A5 NM C791 REV 1 0 16MB & 1MB

BIOS1 MB, 16 MBVIP

NM-C791 · ThinkPad X13

12.4 MB

1.0

2025-04-23

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LENOVO ThinkPad X1 Carbon 2019 20QE NM C881 1MB&32MB CLEAN ME OKOK

BIOS1 MB, 32 MBTestedClean ME

NM-C881 · ThinkPad X1 Carbon

16.7 MB

—

2025-04-20

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IBM X220i BIOS H0225-3 48 4KH20.031 LDB-1 MB 8MB BIOS

BIOS1 MB, 8 MB

H0225-3 · ThinkPad X220I

5.1 MB

—

2025-03-10

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JE442 JE542 NM-E211 64MB & 1MB BIOS

BIOS1 MB, 64 MB

NM-E211

19.2 MB

—

2025-02-25

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THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 3MB & 1MB BIOS

BIOS1 MB

NM-B931 · ThinkPad L490

12.9 MB

1.0

2025-02-22

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DY512 NM B191 REV 1 0 2016 11 25 N17P G1 A1 GTX 1050TI 8MB & 1MB

BIOS1 MB, 8 MBTestedClean MEVIP

NM-B191

11.1 MB

1.0

2025-02-11

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HY520 NM E021 REV 1 0 2021 07 13 8MB & 16MB &2MB &1MB BIOS

BIOS1 MB, 2 MB, 8 MB

NM-E021

11.4 MB

1.0

2025-01-15

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LENOVO ThinkCentre M55, M55p pocono-gf-t(Ver 3.2) 1MB

BIOS1 MB

ThinkCentre M55, ThinkCentre M55P

760 KB

3.2

2024-12-30

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DAFL5CMB6C0 REV C 1MB BIOS

BIOS1 MB

DAFL5CMB6C0

1.2 MB

2024-12-17

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LCD-1 MB 11248-4 48.4SE01.041 8MB WORKING BIOS 100%

BIOS1 MB, 8 MBTested

11248-4

7.3 MB

—

2024-09-12

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LENOVO AM4P2MS VER1.5 16MB BIOS 16MB& 1MB

BIOS1 MB, 16 MB

AM4P2MS

9.0 MB

1.5

2024-08-17

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LENOVO THINKCENTRE M73 IS8XT 8MB &4MB&1MB MAIN BIOS

BIOS1 MB, 4 MB, 8 MB

ThinkCentre M73

7.0 MB

—

2024-08-10

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LENOVO CIH61S VER 1.0 8MB &1MB WORKING BIOS 100%

BIOS1 MB, 8 MBTested

CIH61S

4.2 MB

1.0

2024-07-22

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LENOVO CIH61S (REV 1.0) 8MB &4MB & 1MB BIOS

BIOS1 MB, 4 MB, 8 MB

CIH61S

3.6 MB

1.0

2024-07-22

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LENOVO CIH61S V1. 0 8MB &1MB BIOS

BIOS1 MB, 8 MB

CIH61S

2.2 MB

—

2024-07-22

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E49A 11310-1 LSS-1 MB

BIOS1 MB

11310-1 · E49A

3.0 MB

—

2024-07-20

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LENOVO ThinkPad L390 LKL-2 MB 18724-1M 32MB & 1MB BIOS

BIOS1 MB, 2 MB, 32 MB

18724-1 · ThinkPad L390

10.4 MB

—

2024-06-27

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LGR58 DAQL5AMB8C0 REV C 1MB BIOS

BIOS1 MB

DAQL5AMB8C0 · LGR58

1.6 MB

2024-06-06

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LENOVO FLEX 5 14IAU7 LC57 IAU MB 213062 1 32MB & 1MB TESTED OK

BIOS1 MB, 32 MBTested

213062-1

10.5 MB

—

2024-06-05

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LENOVO IS6XM REV.1.0 BIOS 8MB & 1MB BIOS

BIOS1 MB, 8 MB

IS6XM

14.6 MB

1.0

2024-05-16

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LENOVO ThinkPad X390 Yoga LBB 1 MB 18729 1 448 0G104 0011 WOEKING

BIOS1 MB

18729-1 · ThinkPad X390

15.7 MB

—

2024-05-04

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EX480 NM B481 REV 1 0 2017 12 27 16MB & 1MB WORKING BIOS 100%

BIOS1 MB, 16 MBTested

NM-B481

8.6 MB

1.0

2024-03-02

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LENOVO THINLPAD P1 TYPE 20MD LPM 1 MB 17870 1 448 0DY04 0011 i7

BIOS1 MB

17870-1

8.3 MB

—

2024-01-15

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LENOVO THINLPAD LPM 1 MB 17870 1 448 0DY04 0011 WORKING BIOS 100%

BIOS1 MBTested

17870-1

19.3 MB

—

2024-01-15

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LENOVO T440 LOS-1 MB 12289-2 48.4LG0H.021 WORKING BIOS 100%

BIOS1 MBTested

12289-2 · ThinkPad T440

10.9 MB

—

2024-01-03

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LENOVO X1 CARBON LMQ-1 MB 12298-2 48.4LY05.021 BIOS

BIOS1 MB

12298-2 · ThinkPad X1 Carbon

4.0 MB

—

2023-12-26

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FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & EC 32MB & 1MB WORKING

BIOSEC1 MB, 32 MBTested

NM-B931

14.8 MB

1.0

2023-09-11

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LENOVO T470 NM A931 REV2 0 8MB & 1MB U15 U49 WORKING BIOS 100%

BIOS1 MB, 8 MBTested

NM-A931 · ThinkPad T470

7.4 MB

2.0

2023-08-28

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LBB-1 MB 18729-1 WORKING BIOS 100%

BIOS1 MBTested

18729-1

14.6 MB

—

2023-08-28

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THINKPAD L530 LBF-1 MB 11270-4 48.4SE05.041 TESTED OKOKOK

BIOS1 MBTested

11270-4 · ThinkPad L530

3.4 MB

—

2023-08-17

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LENOVO T570 LTS-1 MB 16820-1 i7-6600U N16S-GTR-S-A2

BIOS1 MB

16820-1 · ThinkPad T570

16.7 MB

—

2023-08-14

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LCB-1 MB 13323-2 448.01127.0021 WORKING BIOS 100%

BIOS1 MBTested

13323-2

6.1 MB

—

2023-07-10

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LENOVO Thinkpad P53 NM C261 Rev1 0 P53 N19E 32MB & 1MB BIOS

BIOS1 MB, 32 MB

NM-C261 · ThinkPad P53

16.8 MB

1.0

2023-05-23

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LENOVO Thinkpad X1 LMQ 1 MB 12298 2 48 4LY06 021 HF 16MB WORKING

BIOS1 MB, 16 MBTested

12298-2 · ThinkPad X1

12.5 MB

—

2023-05-20

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LENOVO Thinkpad X1 LMQ 1 MB 12298 2 48 4LY06 021 HF MEC1633L WORKING

BIOSEC1 MBTested

12298-2 · ThinkPad X1

15.2 MB

—

2023-05-20

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LENOVO THINKPAD L380 LKL 1 MB 17821 2M 448 0CT04 002 i7 8550U WORKING

BIOS1 MBTested

17821-2 · ThinkPad L380

12.8 MB

—

2023-04-25

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LENOVO THINKPAD X1 CARBON 11246 1 LGS 1 MB 48 4RQ21 011 TYPE 3443

BIOS1 MBTested

11246-1 · ThinkPad X1 Carbon, ThinkPad 11246

5.8 MB

—

2023-04-02

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LENOVO X1 CARBON 11246 1 LGS 1 MB SPI1 & SPI2 WORKING BIOS 100%

BIOS1 MBTested

11246-1 · ThinkPad X1 Carbon, ThinkPad 11246

6.1 MB

—

2023-04-02

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LENOVO X1 YOGA 15218-5 LGF-1 MB 448.0AQ02.005 UNLOCK BIOS

BIOS1 MB

15218-5

17.6 MB

—

2023-03-08

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LENOVO IS8XM REV 1.0 8MB 4MB 1MB BIOS

BIOS1 MB, 4 MB, 8 MB

IS8XM

15.4 MB

1.0

2023-02-08

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THINKPAD X1 LMQ 1 MB 12298 2 48 4LY06 021 i7 4500U WORKING BIOS

BIOS1 MBTested

12298-2 · ThinkPad X1

5.1 MB

—

2023-01-04

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